Perturbation of spectra for upper triangular relation matrices

DOI10.1007/s11785-024-01646-7MaRDI QIDQ6667278

Alatancang Chen, Xiu Feng Wu

Publication date: 20 January 2025

Published in: Complex Analysis and Operator Theory (Search for Journal in Brave)

zbMATH Keywords

invertible relationleft (right) invertible relationupper triangular relation matrix

Mathematics Subject Classification ID

Perturbation theory of linear operators (47A55) (Semi-) Fredholm operators; index theories (47A53) Linear relations (multivalued linear operators) (47A06)

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